Emma Cook's clever use of digital prints and ornate embellishments have earned her a place as one of Britain's most talked-about designers, so invest in her coveted aesthetic with this black cotton sweatshirt. Bordered with magnificent tonal-gold embroidery and finished with an ocean-inspired sateen appliqué, this unique piece will make a treasure-forever investment. Layer it over leather pants on chilly city mornings, swapping for a patterned skirt and pumps come cocktail hour.